Add 5/2 and 90/80
1st number: 2 1/2, 2nd number: 1 10/80
5/2 + 90/80 is 29/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 80 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 2 × 40 = 80,
5/2 = 5 × 40/2 × 40 = 200/80 - Likewise, for the 2nd fraction, since 80 × 1 = 80,
90/80 = 90 × 1/80 × 1 = 90/80 - Add the two like fractions:
200/80 + 90/80 = 200 + 90/80 = 290/80 - 290/80 simplified gives 29/8
- So, 5/2 + 90/80 = 29/8
In mixed form: 35/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/2+90/80 5/4+90/80 15/2+90/80 5/6+90/80 25/2+90/80 5/10+90/80 35/2+90/80 5/14+90/80